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DOWSIL™ 700P Additive

Provides high efficiency to disperse inorganic pigment, especially titanium dioxide.

Uses:

  • Wood coatings 
  • Protective coatings 
  • Industrial coatings
  • Automotive OEM and refinish paints 
  • Printing inks 
  • Pigment pastes

Benefits:

  • Highly efficient dispersant for titanium dioxide pigments in a broad range of solventborne paints and inks 
  • Improves pigment utilization and reduces millbase viscosity 
  • Provides high gloss and low haze Low yellowing under high-temperature conditions 
  • Reduces pigment flooding and floating for improved color consistency and color matching
  • Low-VOC and low-odor

Properties

These values are not intended for use in preparing specifications.

Typical Properties

  • Active Content Yes No > 90 %
  • Benefit Yes No Filler Treatment
  • Shelf Life Yes No 540 Days
  • Specific Gravity Yes No 0.97
  • System Yes No Solvent Borne
  • Viscosity at 25ºC Yes No 5.5 Centistokes

Improve dispersion of TiO2 pigments in solvent-based paints, reduce the risk of flooding and floating, and reduce yellowing at high temperatures with an innovative silicone additive from Dow.

If improving the dispersion of titanium dioxide pigments, improving gloss and reducing haze, and improving resistance to yellowing during high-bake or over-bake conditions are important to you, consider DOWSIL™ 700P Additive.

About DOWSIL™ 700P Additive

At very low concentrations, this siloxane-based dispersant effectively disperses inorganic pigments, preventing pigment flooding and floating in solvent-based formulations – particularly TiO2-based whites, grays and pastel shades. It offers good cost-in-use compared to competitive products, and compared to organic dispersants, it is remarkably resistant to yellowing at high temperatures. Plus, it can be added in pigment grind or during let-down for formulating flexibility.

Highly efficient

Effective at a much lower dosage than competitive dispersants, DOWSIL™ 700P Additive also delivers higher gloss and lower haze.

Figure 1. TiO2 dispersion efficiency – gloss/haze in white paint

Graph: TiO2 dispersion efficiency – gloss/haze in white paint

Good storage stability

DOWSIL™ 700P Additive creates stable, non-flocculated TiO2 dispersions, outperforming competitive solutions at a significantly lower dosage. Formulations treated with DOWSIL™ 700P Additive display good gloss and low haze over time; while formulations treated with competitive dispersants lose gloss, and their haze increases.

Figure 2. Stabilization of TiO2 dispersions – gloss/haze before and after storage

Graph: Stabilization of TiO2 dispersions – gloss/haze before and after storage

Resistance to yellowing at high temperatures

When subjected to high temperatures DOWSIL™ 700P Additive resists yellowing, while organic dispersants darken significantly.

Figure 3. Heat resistance of DOWSIL™ 700P Additive vs. organic pigment dispersants – as supplied

Heat resistance of DOWSIL 700P Additive vs organic pigment dispersants

Figure 4. Low-yellowing performance of DOWSIL™ 700P Additive vs. organic pigment dispersants in a high-temperature-curing coating

Low-yellowing performance of DOWSIL 700P Additive vs organic pigment dispersants in a high-temperature-curing coating

Effective prevention of pigment flooding and floating

DOWSIL™ 700P Additive effectively prevents pigment flooding without increasing paint viscosity or reducing gloss.

Figure 5. Pigment flooding vs. viscosity

Graph: Pigment flooding vs viscosity

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DOWSIL™ 700P Additive
No Technical Data Sheets are available online for this material.
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DOWSIL™ 700P Additive
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